Finding the Fourth Proportional to 2,557,358.85, 3,529,137.87 and 1,411,439.22
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Solution
The fourth proportional to 2,557,358.85, 3,529,137.87 and 1,411,439.22 is: 1,947,776.55
Step by Step Solution
- Step 1: Write the proportion equation
2,557,358.85 : 3,529,137.87 = 1,411,439.22 : x - Step 2: Convert to fraction form
2,557,358.85/3,529,137.87 = 1,411,439.22/x - Step 3: Cross multiply
2,557,358.85x = 3,529,137.87 × 1,411,439.22 - Step 4: Simplify right side
2,557,358.85x = 4,981,163,602,505.26 - Step 5: Solve for x
x = 4,981,163,602,505.26/2,557,358.85 - Step 6: Final answer
x = 1,947,776.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.